腐蝕極限 的英文怎麼說
中文拼音 [fǔshíjíxiàn]
腐蝕極限
英文
corrosion limit- 腐 : Ⅰ名詞(豆腐) bean curdⅡ動詞(腐爛; 變壞) decay Ⅲ形容詞(腐爛) rotten; corroded; putrid
- 蝕 : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 腐蝕 : 1 (通過化學作用使物體逐漸消損破壞) corrode; corrosion; corroding; deep etch; diabrosis; rot; ea...
- 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
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Corrosion endurance limit
腐蝕疲勞極限Time - variation reliability analysis based on ultimate strength of corroding ship girders
考慮腐蝕影響的船體梁極限承載能力時變可靠性分析Thirdly, based on the test results of crc members taken from the field structures, models were built up to predict the strength of crc beam
再次,基於試驗研究提出了受腐蝕鋼筋混凝土構件極限承載力的預測模型。4. the reliability of ultimate strength of corroded stiffened panels is analyzed
針對腐蝕這一損傷形式,應用現有統計資料對加筋板極限強度作了可靠性分析。Corrosion fatigue limit
腐蝕疲勞極限We have made three - dimension electric conduct grid by hand and we have successfully used it as anode grid in lead - acid battery. this kind of three - dimension electric conduct grid can improve the utilization of pam by 7 - 9 % in different discharge current density and can reduce the plate electrochemical impedance to one tenth of the normal plate. also this kind of grid can improve the marginal reaction current density in a certain degree
我們通過手工製作了三維導電體板柵,並成功的應用於電池的正極作為正極的板柵,這種三維導電體板柵能夠在各種不同的放電電流密度下提高正極活性物質利用率7 9 ,能夠使電池正極板的電化學阻抗降低到普通板柵的1 10左右,使正極板的極哈爾濱j _程大學碩十學位論文限反應電流密度略有所提高,但是這種板柵的耐腐蝕性能很不理想,使得所製作電池的壽命很短。Based on the test data of the crc beams taken from some chemical plants, which were mainly corroded by chloride, a calculation model was derived to calculate the ultimate load bearing capacity of such crc beams. then, bp nn model was built up to predict the ultimate load bearing capacity of crc beams. using such nn model to analyze many groups of test data ( under various corrosion cases ), satisfactory results are achieved
基於目前較少開展的實際腐蝕環境下鋼筋混凝土構件受力性能的試驗研究,通過引入受腐蝕混凝土和銹蝕鋼筋的損傷因子導出了受氯離子腐蝕鋼筋混凝土構件極限承載力計算模型;建立了bp神經網路模型對受腐蝕鋼筋混凝土梁承載力進行了預測,通過對多組國外試驗研究結果(不同腐蝕作用情況下)的分析均取得了令人滿意的預測結果,並且隨著試驗資料的積累,預測效果可以得到進一步的改善;因此,本文建立的神經網路模型對受腐蝕鋼筋混凝土構件承載力研究是一種十分有效的方法,具有較好的應用前景。Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members
揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形,並對其進行了分形描述;提出以裂縫分形維數作為受腐蝕程度的有效衡量指標,首次實現了構件受腐蝕程度的定量描述;建立了裂縫分形維數與鋼筋銹蝕率、混凝土劣化系數、構件承載力之間的定量關系,並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了極限承載力的預測,取得了較好的預測效果。Steel structure cross - sea bridge, port equipment, pipeline system, hydropower station equipment, paper making industry and other industries generally have problem of anticorrosion, out company has incomparable technical advantage, which can prevent the corrosion from happening, can proceed the coating operation under the supreme wet condition, can surpass the limit of surface treatment in the industrial protection, can provides long - term anticorrosion solution plan to various steel structures
鋼結構跨海大橋,港口設施、管路系統、水電站設備、造紙工業以及其他工業普遍存在著防腐蝕的問題,我們公司無與倫比的技術優勢,防止腐蝕的發生,可以在極端潮濕的條件下塗刷施工,可以在工業防護過程中超越表面處理的限制,為各種不同的鋼結構提供了長效防腐解決方案。Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration
首先,在二維軸對稱情況下模擬與分析了遠場渦流的基本特性,證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究,證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬,利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析,為缺陷形狀重構提供了依據。The buckling and ultimate strength of ship plating normally depend on a variety of influential factors, namely geometric / material properties, loading characteristics, initial imperfections ( i. e. initial deflections and residual stresses ), boundary conditions and corrosion, fatigue cracking
船體板的屈曲和極限強度取決于很多影響因素,主要有:板的幾何尺寸、材料特性、載荷特徵、初始缺陷(如初始變形和焊接殘余應力) 、邊界條件以及腐蝕的影響、疲勞裂紋等。Based on probability statistics and structure reliability theory, a method of calculating the durability period and reliability probability of reinforced concrete exposed to chloride environments is presented. the target reliability level that the time of reinforcement initial corrosion in concrete structure exposed to chloride environments is proposed in this paper. a method of predicting service life of concrete structure exposed to chloride environments is given in this paper
建立了氯腐蝕環境下混凝土結構中鋼筋開始銹蝕的條件和耐久性極限狀態方程以及氯腐蝕環境下混凝土結構的壽命評估準則;以結構可靠度理論為基礎,提出了混凝土結構的耐久性分析方法和壽命預測方法,給出了氯腐蝕環境下混凝土中鋼筋不發生銹蝕的目標可靠指標,並結合一具體工程進行了耐久性評估。Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference
其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。Prediction on ultimate load bearing capacity of corroded reinforced concrete beams using neural networks
受腐蝕鋼筋混凝土梁極限承載力神經網路預測分享友人